JP7224117B2 - 基板処理装置および処理液再利用方法 - Google Patents
基板処理装置および処理液再利用方法 Download PDFInfo
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- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/67086—Apparatus for fluid treatment for etching for wet etching with the semiconductor substrates being dipped in baths or vessels
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02299—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment
- H01L21/02307—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer pre-treatment treatment by exposure to a liquid
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
Description
まず、実施形態に係る基板処理装置の構成について図1を参照して説明する。図1は、実施形態に係る基板処理装置の構成を示す図である。以下では、位置関係を明確にするために、互いに直交するX軸、Y軸およびZ軸を規定し、Z軸正方向を鉛直上向き方向とする。
次に、エッチング用の処理槽27の構成について図2を参照し説明する。図2は、実施形態に係るエッチング用の処理槽27の構成を示す図である。
次に、再生装置7の構成について図3を参照して説明する。図3は、実施形態に係る再生装置7の構成を示す図である。
次に、再生装置7による処理液の再生処理の内容について図4を参照して説明する。図4は、実施形態に係る再生処理の一例を示す図である。図4では、一例として、処理槽27において使用される処理液のシリコン濃度の初期値が75ppmである場合について説明する。
次に、上述した再生装置7の変形例について説明する。図5は、実施形態における第1変形例に係る再生装置7の構成を示す図である。
7 再生装置
8 基板
27 処理槽
71 回収路
72 貯留部
73 除去部
74 第1供給部
75 第2供給部
76 混合部
77 戻り路
Claims (9)
- 薬液とシリコンとを含む処理液に基板を浸漬させて該基板のエッチング処理を行う処理槽と、
前記処理槽から排出された前記処理液を回収して貯留する貯留部と、
前記処理槽から排出された前記処理液の一部を回収し、回収した前記処理液からシリコンを除去する除去部と、
前記貯留部に貯留された前記処理液と、前記除去部によってシリコンが除去された前記処理液とを混合する混合部と、
前記混合部によって混合された前記処理液を前記処理槽に戻す戻り路と
を備え、
前記除去部は、
回収した前記処理液に含まれるシリコンを一部を前記処理液に残して除去する、基板処理装置。 - 前記除去部は、回収した前記処理液のシリコン濃度が前記処理液の初期のシリコン濃度よりも低い予め設定された濃度となるように、回収した前記処理液に含まれるシリコンの一部を前記処理液に残す、請求項1に記載の基板処理装置。
- 前記貯留部に貯留された前記処理液のうち第1の量の処理液を前記混合部に供給する第1供給部と、
前記除去部によってシリコンが除去された前記処理液のうち第2の量の処理液を前記混合部に供給する第2供給部と
を備える、請求項1または2に記載の基板処理装置。 - 前記第1供給部および前記第2供給部は、
前記処理液のシリコン濃度の初期値に基づいて前記第1の量および前記第2の量が設定される、請求項3に記載の基板処理装置。 - 前記処理槽、前記第1供給部、前記第2供給部および前記混合部の組を複数備え、
前記貯留部は、複数の前記処理槽から排出された前記処理液を回収して貯留する、請求項3または4に記載の基板処理装置。 - 異なる複数のシリコン濃度に対応する複数の前記除去部を備える、請求項1~5のいずれか一つに記載の基板処理装置。
- 前記処理槽において前記処理液を加熱する第1加熱部と、
前記貯留部において前記処理液を加熱する第2加熱部と
を備える、請求項1~6のいずれか一つに記載の基板処理装置。 - 前記混合部において前記処理液を加熱する第3加熱部
を備える、請求項7に記載の基板処理装置。 - 薬液とシリコンとを含む処理液に基板を浸漬させて該基板のエッチング処理を行う処理槽から排出された前記処理液を回収して貯留する貯留工程と、
前記処理槽から排出された前記処理液の一部を回収し、回収した前記処理液に含まれるシリコンを一部を前記処理液に残して除去する除去工程と、
前記貯留工程において貯留した前記処理液と、前記除去工程においてシリコンが除去された前記処理液とを混合する混合工程と、
前記混合工程において混合された前記処理液を前記処理槽に戻す戻り工程と
を含む、処理液再利用方法。
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JP2018114963A JP7224117B2 (ja) | 2018-06-15 | 2018-06-15 | 基板処理装置および処理液再利用方法 |
TW108119115A TWI811374B (zh) | 2018-06-15 | 2019-06-03 | 基板處理裝置及處理液再利用方法 |
US16/438,580 US11430675B2 (en) | 2018-06-15 | 2019-06-12 | Substrate processing apparatus and processing liquid reuse method |
CN201910509553.2A CN110610875A (zh) | 2018-06-15 | 2019-06-13 | 基片处理装置和处理液再利用方法 |
KR1020190070050A KR20190142239A (ko) | 2018-06-15 | 2019-06-13 | 기판 처리 장치 및 처리액 재이용 방법 |
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CN114195245A (zh) * | 2020-09-02 | 2022-03-18 | 中国科学院微电子研究所 | 腐蚀液回收再利用装置及方法 |
KR102583556B1 (ko) * | 2021-01-07 | 2023-10-10 | 세메스 주식회사 | 처리액 공급 장치 및 처리액 공급 장치의 고형 제거 방법 |
JP7270101B2 (ja) | 2021-08-06 | 2023-05-09 | クラウドサーカス株式会社 | 情報処理装置、情報処理方法、及びプログラム |
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US20170062287A1 (en) | 2015-09-02 | 2017-03-02 | Samsung Electronics Co., Ltd. | Substrate treating apparatus and method of treating substrate |
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JP2013165217A (ja) | 2012-02-13 | 2013-08-22 | Dainippon Screen Mfg Co Ltd | 基板処理方法および基板処理装置 |
JP2017216478A (ja) | 2013-09-30 | 2017-12-07 | 芝浦メカトロニクス株式会社 | 基板処理装置 |
US20170062287A1 (en) | 2015-09-02 | 2017-03-02 | Samsung Electronics Co., Ltd. | Substrate treating apparatus and method of treating substrate |
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US11430675B2 (en) | 2022-08-30 |
TWI811374B (zh) | 2023-08-11 |
CN110610875A (zh) | 2019-12-24 |
KR20190142239A (ko) | 2019-12-26 |
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